package main
import "fmt"

var num int =10
var numx2, numx3 int
func main(){
  numx2, numx3 = getX2AndX3(num)
  PrintValues()
  numx2, numx3 = getX2AndX3_2(num)
  PrintValues()
}

func PrintValues(){
  fmt.Printf("num=%d, 2x num=%d, 3x num=%d\n", num, numx2, numx3)
}
func getX2AndX3(input int) (int, int){
  return 2*input, 3*input
}

func getX2AndX3_2(input int)(x2 int, x3 int){
  // this is prefered ???
  x2 = 2*input
  x3 = 3*input
  return
}
